Getting error while trying to increase memory for a one of the Virtual Machine ( Created by Vagrant)

[Bot_Learn]

I am bit new to vagrant. Created three virtual machines using vagrant. I need 4GB memory to be assigned in a virtual machine( presently having less than 1GB memory on that). 
I have edited the vagrantfile and tried to restart the vm ( using vagrant up <vm_name> ) but it's still showing old memory there. 

Can anyone please advise how i can increase memory size here? 

Thanks

[Alvaro Miranda Aguilera]

Hello.

If you could share the Vagrantfile to confirm syntax is correct will help

How much memory your host computer have?

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Alvaro

[Bot_Learn]

Hi Alvaro,

My host machine have 8GB memory. Please find below my vagrantfile ( for ubuntu) -

$ cat Vagrantfile

# -*- mode: ruby -*-

# vi: set ft=ruby :

# All Vagrant configuration is done below. The "2" in Vagrant.configure

# configures the configuration version (we support older styles for

# backwards compatibility). Please don't change it unless you know what

# you're doing.

Vagrant.configure("2") do |config|

  # The most common configuration options are documented and commented below.

  # For a complete reference, please see the online documentation at

  # https://docs.vagrantup.com.

  # Every Vagrant development environment requires a box. You can search for

  # boxes at https://vagrantcloud.com/search.

  config.vm.box = "ubuntu/trusty64"

  # Disable automatic box update checking. If you disable this, then

  # boxes will only be checked for updates when the user runs

  # `vagrant box outdated`. This is not recommended.

  # config.vm.box_check_update = false

  # Create a forwarded port mapping which allows access to a specific port

  # within the machine from a port on the host machine. In the example below,

  # accessing "localhost:8080" will access port 80 on the guest machine.

  # NOTE: This will enable public access to the opened port

  # config.vm.network "forwarded_port", guest: 80, host: 8080

  # Create a forwarded port mapping which allows access to a specific port

  # within the machine from a port on the host machine and only allow access

  # via 127.0.0.1 to disable public access

  # config.vm.network "forwarded_port", guest: 80, host: 8080, host_ip: "127.0.0.1"

  # Create a private network, which allows host-only access to the machine

  # using a specific IP.

  # config.vm.network "private_network", ip: "192.168.33.10"

  # Create a public network, which generally matched to bridged network.

  # Bridged networks make the machine appear as another physical device on

  # your network.

  # config.vm.network "public_network"

  # Share an additional folder to the guest VM. The first argument is

  # the path on the host to the actual folder. The second argument is

  # the path on the guest to mount the folder. And the optional third

  # argument is a set of non-required options.

  # config.vm.synced_folder "../data", "/vagrant_data"

  # Provider-specific configuration so you can fine-tune various

  # backing providers for Vagrant. These expose provider-specific options.

  # Example for VirtualBox:

  #

  # config.vm.provider "virtualbox" do |vb|

  #   # Display the VirtualBox GUI when booting the machine

  #   vb.gui = true

  #

  #   # Customize the amount of memory on the VM:

      vb.memory = "4096"

      vb.cpus = 8

  # end

  #

  # View the documentation for the provider you are using for more

  # information on available options.

  # Enable provisioning with a shell script. Additional provisioners such as

  # Puppet, Chef, Ansible, Salt, and Docker are also available. Please see the

  # documentation for more information about their specific syntax and use.

  # config.vm.provision "shell", inline: <<-SHELL

  #   apt-get update

  #   apt-get install -y apache2

  # SHELL

end

[Alvaro Miranda Aguilera]

Hello

The Virtualbox need to be un commented

so this

# config.vm.provider "virtualbox" do |vb|

  #   # Display the VirtualBox GUI when booting the machine

  #   vb.gui = true

  #

  #   # Customize the amount of memory on the VM:

      vb.memory = "4096"

      vb.cpus = 8

  # end

Need to change into

 config.vm.provider "virtualbox" do |vb|

  #   # Display the VirtualBox GUI when booting the machine

  #   vb.gui = true

  #

  #   # Customize the amount of memory on the VM:

      vb.memory = "4096"

      vb.cpus = 4

  end

you got 8 cores? 4 cores? I will keep that low to real cores.

alvaro.

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Alvaro

[Bot_Learn]

Many thanks for your feedback. 

I have followed below step now :

1. halted ( vagrant halt ) the vm. Edited the Vagrantfile as advised( kept the core section by default). i,e :

 config.vm.provider "virtualbox" do |vb|

  #   # Display the VirtualBox GUI when booting the machine

  #   vb.gui = true

  #

  #   # Customize the amount of memory on the VM:

      vb.memory = "4096"

  #   vb.cpus = 4

  end

2. Start the vm ( vagrant up <vm_name>). 
3. Logged into the vm and checked the memory, Below is the output, where memory is showing but it's not reflecting assigned 4GB memory.

vagrant@db:~$ free -m

                    total        used        free      shared  buff/cache   available

Mem:            992          50         576           3         365         788

Swap:               0           0           0              -            -              -

Thanks 

[Bot_Learn]

Do i need to create new vm with new memory setup or we can edit vm's parameters after creation also in via vagrant.

Thanks

[Alvaro Miranda Aguilera]

Vagrant reload should take care.

Please share the new vagrantfile for review. and check on virtualbox gui the ram size of the VM.

Screenshots welcome

Alvaro.

To view this discussion on the web visit https://groups.google.com/d/msgid/vagrant-up/8cad05c6-01f8-4042-8187-992cc469e921%40googlegroups.com.

For more options, visit https://groups.google.com/d/optout.

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Alvaro

[Bot_Learn]

Sorry for the late response. 

I have updated  the ram size from Virtualbox gui.